When Austria-Hungary declared war on Serbia in the summer of 1914, sparking World War I, hundreds of young Italians still subject to the Habsburg Empire fled to the Kingdom of Italy to avoid answering Emperor Franz Joseph's call to arms. People from Trentino and Trieste, Gorizia and Istria, Fiume and Dalmatia, thus strengthened the irredentist element within the interventionist front, which called for Italy to enter the conflict to wage the Fourth War of Independence, necessary to complete the process of national unification begun with the Risorgimento and interrupted on September 20, 1870, with the Breach of...